The horse was re-introduced to America (as original paleo-American populations of wild horses from the Bering land bridge were extinct) and quickly adapted to free range on the sprawling great plains.
马重新有引入到美洲(最早由原始美洲人通过白令海峡带来的野马已经灭绝了)，迅速适应并遍布大平原。
2
The first, Paleo-Indian, wave more than 15,000 years ago was ancestral to all Central and South American Indians.
在一万五千多年前进行第一次迁移的是古印度人，他们是美洲中部和南部的印第安人的祖先。
3
Such a dual origin for Paleo-Indians has major implications for all disciplines involved in Native American studies, he said.